Mating season for the Texas brown tarantula will soon be here in Texas. I don’t get too many tarantula calls as a rule; tarantulas are nocturnal homebodies, rarely venturing more than a foot from their burrow…except during mating season. Sign in to suggest organism ID. 6 Comments. Understanding Texas Tarantulas. MrAlexander 7 years ago. The presence [male] or absence [female] of these fusillae is a reliable indicator of gender. It reaches maturity in 8 to 10 years. Although some people have a healthy respect for these arachnids, others might be planning for high anxiety come August. They have about a 4 - 5" (10 - 12.5 cm) leg span that is covered fine hairs in shades of brown. However, the opposite is true with the golden silk spider: The female, with her orange body and yellow-spotted silver hard upper shell, is brighter than the dark brown male. Description The Oklahoma Brown Tarantula is a medium-sized stocky spider. It is one of the more docile species of pet tarantulas. For more information and illustrations on this "epiandrous fusillae" method of sexing tarantulas, click here to visit Rick West's birdspiders.com and read Mark Hart's "How to Determine the Sex of Your Tarantula". Here is what you should know and what you can expect. The brown tarantula has a leg span that is 4 to 5 inches long, with hairy legs in various shades of brown. Just the creepy crawly feeling of the eight legs. Brown tarantula (male) Aphonopelma hentzi Species Aphonopelma hentzi - Texas Brown Tarantula - BugGuide.Net. The brown tarantula has a long life span. If you come across a tarantula in our state, it’s most likely going to be a Texas brown tarantula. Now that you know they can’t hurt you, let’s talk a bit more about tarantulas in Texas. Although there are more than 900 species of tarantula, they all share certain physical characteristics that help people distinguish males from females. You're one crazy individual! (Last Updated On: June 14, 2012)This has been tarantula week in Dallas. The male lives 7 through 12 years, while the female … I could never let one of those bad boys crawl around on my hands like that. Females and immature males have a light brown to tan carapace, a coffee brown abdomen, and darker brown legs. The female is black with a red hourglass shape under her midsection, while the male is lighter in color, with red or pink spots on his back.